CVE-2013-0157 Information

Description

(a) mount and (b) umount in util-linux 2.14.1 2.17.2 and probably other versions allow local users to determine the existence of restricted directories by (1) using the –guess-fstype command-line option or (2) attempting to mount a non-existent device which generates different error messages depending on whether the directory exists.

Reference

http://bugs.debian.org/697464 http://marc.info/?l=oss-security&m=135749410312247&w=2 http://osvdb.org/88953 http://rhn.redhat.com/errata/RHSA-2013-0517.html http://www.mandriva.com/security/advisories?name=MDVSA-2013:154 https://bugzilla.redhat.com/show_bug.cgi?id=892330